Model comparison
Granite 4.1 8b vs Grok 4.3
Grok 4.3 is the stronger model overall, scoring 43.8 to 37.4 on the Noometry Index.
Last verified . 13 shared benchmarks.
Summary
- They share 13 benchmarks with published results for both. Granite 4.1 8b scores higher in 0 categories and Grok 4.3 in 8 categories; 8 gaps are clear of the uncertainty.
- The widest gap is in knowledge, where Grok 4.3 leads 52.5 to 36.1.
- Granite 4.1 8b has downloadable open weights; the other is API-only.
Side by side
| Granite 4.1 8b | Grok 4.3 | |
|---|---|---|
| Provider | IBM | xAI |
| Noometry Index | 37.4 | 43.8 |
| Released | — | 2026-04-17 |
| Weights | Open | Proprietary |
| Context window | — | 1M |
| Max output | — | 30K |
| Input $ / M tokens | — | $1.25 |
| Output $ / M tokens | — | $2.50 |
| Results tracked | 13 | 40 |
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Category by category
Coding Grok 4.3 leads
Granite 4.1 8b: 30.1 (#297), Grok 4.3: 41.6 (#121)
| Benchmark | Granite 4.1 8b | Grok 4.3 |
|---|---|---|
| LMArena WebDev | 1192 | 1357 |
| LMArena Coding | 1312 | 1415 |
| SciCode | — | 47.3% |
| WeirdML | — | 49.9% |
| ALE-Bench | — | 944.17 |
Agentic & Tool Use Not comparable
Granite 4.1 8b: —, Grok 4.3: 27.7 (#99)
| Benchmark | Granite 4.1 8b | Grok 4.3 |
|---|---|---|
| GDP.pdf | — | 8% |
| LMArena Search | — | 1165 |
| Vending-Bench 2 | — | 35.26 |
Reasoning Grok 4.3 leads
Granite 4.1 8b: 25.7 (#143), Grok 4.3: 35.9 (#68)
| Benchmark | Granite 4.1 8b | Grok 4.3 |
|---|---|---|
| LMArena Hard Prompts | 1293 | 1396 |
| NYT Connections (extended) | — | 55.2% |
| CritPt | — | 8% |
| Chess Puzzles | — | 25% |
| DTBench | — | 90.7% |
| LMCA | — | 38.3% |
| Epoch Capabilities Index | — | 149.16 |
| ForecastBench | — | 60.3 |
Math Grok 4.3 leads
Granite 4.1 8b: 36.4 (#166), Grok 4.3: 46.0 (#74)
| Benchmark | Granite 4.1 8b | Grok 4.3 |
|---|---|---|
| LMArena Math | 1312 | 1388 |
| FrontierMath (Tiers 1-3) | — | 42.8% |
| FrontierMath Tier 4 | — | 14.6% |
| OTIS Mock AIME 2024-2025 | — | 93.3% |
| ProofBench | — | 11% |
Knowledge Grok 4.3 leads
Granite 4.1 8b: 36.1 (#174), Grok 4.3: 52.5 (#62)
| Benchmark | Granite 4.1 8b | Grok 4.3 |
|---|---|---|
| LMArena Expert | 1309 | 1385 |
| GPQA Diamond | — | 88.8% |
| SimpleQA Verified | — | 33.2% |
Multimodal Not comparable
Granite 4.1 8b: —, Grok 4.3: 31.6 (#104)
| Benchmark | Granite 4.1 8b | Grok 4.3 |
|---|---|---|
| LMArena Vision | — | 1229 |
| Blueprint-Bench 2 | — | 0% |
Multilingual Grok 4.3 leads
Granite 4.1 8b: 41.7 (#204), Grok 4.3: 50.5 (#120)
| Benchmark | Granite 4.1 8b | Grok 4.3 |
|---|---|---|
| LMArena Non-English | 1261 | 1385 |
| LMArena Chinese | 1337 | 1422 |
| LMArena Russian | 1240 | 1399 |
| LMArena French | — | 1412 |
| LMArena German | — | 1395 |
| LMArena Japanese | — | 1379 |
| LMArena Korean | — | 1356 |
| LMArena Spanish | — | 1398 |
Instruction Following Grok 4.3 leads
Granite 4.1 8b: 66.9 (#203), Grok 4.3: 72.1 (#140)
| Benchmark | Granite 4.1 8b | Grok 4.3 |
|---|---|---|
| LMArena Instruction Following | 1269 | 1366 |
Long Context Grok 4.3 leads
Granite 4.1 8b: 38.7 (#193), Grok 4.3: 42.5 (#123)
| Benchmark | Granite 4.1 8b | Grok 4.3 |
|---|---|---|
| LMArena Longer Query | 1275 | 1393 |
Writing & Preference Grok 4.3 leads
Granite 4.1 8b: 48.1 (#204), Grok 4.3: 58.5 (#118)
| Benchmark | Granite 4.1 8b | Grok 4.3 |
|---|---|---|
| LMArena Text | 1290 | 1397 |
| LMArena Creative Writing | 1251 | 1380 |
| LMArena Multi-Turn | 1268 | 1406 |
| EQ-Bench 4 | — | 1075 |
Frequently asked questions
Is Granite 4.1 8b better than Grok 4.3?
Grok 4.3 is the stronger model overall, scoring 43.8 to 37.4 on the Noometry Index.
Is Granite 4.1 8b or Grok 4.3 better for coding?
Grok 4.3 scores higher on coding benchmarks: 41.6 versus 30.1 in the Noometry coding category.
How many benchmarks do Granite 4.1 8b and Grok 4.3 share?
13 benchmarks have published results for both models. Granite 4.1 8b has 13 scored results on Noometry and Grok 4.3 has 40.